ORA-01157: cannot identify/lock data file处理

ERROR 2010-12-09 09:24:06,281 OracleProcedure:callProcedure - 执行存储过程:pr_test 失败,原因:ORA-01157: cannot identify/lock data file 202 - see DBWR trace file
ORA-01110: data file 202: '/dev/rtemp_disk'
ORA-06512: at "DEV.pr_test", line 28
ORA-06512: at line 1

原因是数据文件属主存在问题:
p550b:dev#ls -lt |grep rtemp
crw-rw----   1 root     system       80,124 12月07 21时50 rtemp_disk

处理:
chown oracle:dba rtemp_disk

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